1873213 has 8 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 1752000.

The previous prime is 1873211. The next prime is 1873217. The reversal of 1873213 is 3123781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1873213 - 2¹ = 1873211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4048 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^1873213 is an apocalyptic number.

It is an amenable number.

1873213 is a deficient number, since it is larger than the sum of its proper divisors (122627).

1873213 is a wasteful number, since it uses less digits than its factorization.

1873213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 1008, while the sum is 25.

The square root of 1873213 is about 1368.6537180748. The cubic root of 1873213 is about 123.2714168560.

Adding to 1873213 its reverse (3123781), we get a palindrome (4996994).

The spelling of 1873213 in words is "one million, eight hundred seventy-three thousand, two hundred thirteen".